CN113866381A - Comprehensive pipe gallery gas cabin explosion suppression test device and using method thereof - Google Patents
Comprehensive pipe gallery gas cabin explosion suppression test device and using method thereof Download PDFInfo
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- CN113866381A CN113866381A CN202111191422.8A CN202111191422A CN113866381A CN 113866381 A CN113866381 A CN 113866381A CN 202111191422 A CN202111191422 A CN 202111191422A CN 113866381 A CN113866381 A CN 113866381A
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- 238000004880 explosion Methods 0.000 title claims abstract description 77
- 230000001629 suppression Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 8
- 230000035939 shock Effects 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims description 26
- 230000008859 change Effects 0.000 claims description 18
- 239000005341 toughened glass Substances 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 255
- 108010066057 cabin-1 Proteins 0.000 description 60
- 238000013016 damping Methods 0.000 description 14
- 238000002474 experimental method Methods 0.000 description 6
- 238000005474 detonation Methods 0.000 description 5
- 239000002912 waste gas Substances 0.000 description 5
- 230000005764 inhibitory process Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention relates to a comprehensive pipe gallery gas cabin explosion suppression test device, wherein a placing block is arranged in a gas cabin, the top of the placing block is fixedly connected with a gas box, an adjusting component for adjusting the position of the gas box is arranged in the gas cabin, the top of the gas box is fixedly connected with two symmetrical first fixed blocks, the first fixed blocks are rotationally connected with screw rods, the inner wall of the top of the gas cabin is symmetrically provided with two groups of control components for controlling the angle between the screw rods and the gas box respectively, the inner wall of one side of the gas cabin, which is far away from each other, is provided with a rectangular groove, a baffle plate is slidably connected in the rectangular groove, the top of the gas cabin is symmetrically provided with two groups of replacing components for replacing the corresponding baffle plate respectively, whether smooth, the gas pipeline place the position and the gas pipeline in the gas cabin different angle of linking bridge and gas pipeline in can be through the surface of separation plate in the gas cabin restrain and separate special effect to the shock wave that utility tunnel gas cabin gas combustion explosion produced.
Description
Technical Field
The invention belongs to the safety field of a comprehensive pipe rack, and relates to a comprehensive pipe rack gas cabin explosion suppression test device and a using method thereof.
Background
The urban underground comprehensive pipe gallery is a tunnel structure which is used for intensively accommodating various public pipelines arranged on the ground, underground or overhead and leaving a walking channel for maintainers, and generally comprises four cabin bodies, namely a sewage cabin, a gas cabin, a comprehensive cabin and a high-voltage power cabin. The gas cabin generally comprises various equipment facilities such as a natural gas pipeline, a metal support, a fire extinguishing box and the like, once a fire disaster and an explosion accident happen in the comprehensive pipe gallery cabin, the gas cabin can be damaged, other cabin bodies and the surrounding environment are damaged, even secondary disasters are caused, and great threat is formed on urban public safety, so that how to restrain and obstruct the propagation of explosion shock waves is realized aiming at the fire disaster and the explosion accident in the comprehensive pipe gallery gas cabin, the damage of explosion is reduced, and the gas cabin is of great importance for guaranteeing the emergency rescue, disaster prevention and disaster reduction of the urban underground comprehensive pipe gallery.
However, most of the inhibition and blocking modes in the prior art are inhibition and blocking through different explosion suppression materials, in the prior art, only different explosion suppression materials are tested, the test mode and direction are too single, the comprehensive test cannot be comprehensively carried out on the explosion suppression of the gas cabin of the comprehensive pipe gallery, the propagation of explosion shock waves cannot be effectively inhibited and blocked, and the harm of explosion is reduced, so that the inhibition and blocking of the explosion shock waves through different modes need to be researched.
Disclosure of Invention
In view of the above, the invention provides a comprehensive pipe gallery gas cabin explosion suppression test device and a using method thereof, aiming at solving the problem that the existing comprehensive pipe gallery gas cabin explosion suppression device cannot truly and effectively simulate the gas combustion shock wave suppression and blocking effects in a comprehensive pipe gallery.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a utility tunnel gas cabin separates explosion suppression test device, includes the gas cabin, one side of gas cabin is rotated and is connected with the door, it places the piece to be equipped with in the gas cabin, the top fixedly connected with gas case of placing the piece, be equipped with the adjusting part who is used for adjusting gas case position in the gas cabin, two symmetrical first fixed blocks of top fixedly connected with of gas case, first fixed block internal rotation is connected with the screw rod, the top inner wall symmetry of gas cabin is equipped with two sets of control assembly who is used for controlling angle between screw rod and the gas case respectively, one side inner wall that the gas cabin was kept away from each other all is equipped with the rectangular channel, sliding connection has the baffler in the rectangular channel, the top symmetry of gas cabin is equipped with two sets of change subassemblies that are used for changing corresponding baffler respectively.
Further, the adjusting part includes that fixed connection places the board at the same one of the one side inner wall that the gas cabin kept away from each other, the top of placing the board is equipped with first recess, a plurality of first springs of the bottom inner wall equidistance fixedly connected with of first recess, it is a plurality of the same rack that is located first recess of the top fixedly connected with of first spring, the bottom fixedly connected with who places the piece and the latch that the rack meshed mutually, and the bottom of placing the piece and the top sliding connection who places the board, it has the lead screw to place the inboard through thread connection, and the top of lead screw rotates with the bottom of rack and is connected, and then obtains the gas case and be in the influence of different positions to utility tunnel gas cabin gas combustion explosion characteristic.
Further, the control assembly includes the second fixed block of sliding connection at gas cabin top inner wall, the bottom through connection of second fixed block has the second bolt, and the top of second bolt and the top inner wall threaded connection in gas cabin, second fixed block internal rotation is connected with the turning block, the bottom of turning block is rotated and is connected with the sleeve, and the top of screw rod extend to in the sleeve and with sleeve threaded connection, can realize the regulation of screw rod and the relative deflection angle of gas case, be convenient for diversified experiment.
Further, the replacing component comprises a rotating rod which is rotatably connected to one side of the top of the gas cabin, a plurality of convex blocks are fixedly connected to one side of the blocking plate close to the gas box at equal intervals, a second groove, a sliding groove and a cavity are formed in the top of the gas cabin, the sliding groove is respectively communicated with the second groove and the cavity, a clamping block extending into the second groove is fixedly connected to the bottom of the rotating rod, an L-shaped rod extending into the clamping block is slidably connected in the sliding groove, the top end of the L-shaped rod extends to the upper side of the gas cabin, a second spring fixedly connected with the L-shaped rod is fixedly connected to the inner wall of one side of the sliding groove far away from the clamping block, a baffle plate touching the blocking plate is slidably connected in the cavity, a connecting rod fixedly connected with the bottom of the L-shaped rod is fixedly connected to one side of the baffle plate far away from the blocking plate, the connecting rod is located in the cavity, a cushion block located in a rectangular groove is fixedly connected to the bottom of the rotating rod, and the bottom of cushion bumps with the top of baffler mutually and touches, and then obtains whether the baffler is smooth to the influence of utility tunnel gas cabin gas combustion explosion characteristic to the face of gas case, one side distance run-through that the gas cabin was kept away from each other has a plurality of first bolts, and the one end that first bolt is close to the gas case runs through threaded connection with the baffler.
Further, the top fixedly connected with aspiration pump in gas cabin, the top inner wall fixedly connected with aspirator head in gas cabin, and the induction port of aspirator pump is linked together through hose and aspirator head, one side fixedly connected with ignition in gas cabin, one side in gas cabin is equipped with control panel, and ignition, control panel and gas case pass through the connecting wire intercommunication, can absorb the waste gas that the gas cabin explosion produced through the aspiration pump, can control the explosion of gas case in the external world through control panel, and then can improve the security performance of experiment.
Further, the inner wall of the top of the gas cabin is fixedly connected with a pressure sensor, and impact force received in the gas cabin can be recorded at any time through the pressure sensor.
Furthermore, the inner wall of the top of the gas cabin is fixedly connected with a high-speed camera, and the stress change in the gas cabin can be observed at any time when the gas box explodes through the high-speed camera.
Furthermore, the bottom of the high-speed camera is fixedly connected with tempered glass, and the tempered glass can protect the high-speed camera when the gas tank explodes.
Further, place the inboard equidistance and be equipped with a plurality of through-holes, a plurality of shock attenuation damping of bottom inner wall equidistance fixedly connected with of gas cabin, it is a plurality of shock attenuation damping's top all with the bottom fixed connection who places the board, when the gas case explodes, the air current that the explosion produced passes through the through-hole and gets into the below of placing the board, alleviates the impact force that the explosion produced to the influence of placing the board, and shock attenuation damping can also play absorbing effect to placing the board.
A use method of a comprehensive pipe gallery gas cabin explosion suppression test device comprises the following steps:
s1, ensuring that the position of the gas box on the placing plate is unchanged, the angle of the screw relative to the gas box is unchanged, aligning the bump to the gas box at the moment, igniting the gas in the gas box, and observing the change of the gas cabin subjected to impact force when the gas box explodes through the pressure sensor and the high-speed camera;
s2, pulling the L-shaped rod to slide towards the middle, removing the blocking of the rotating rod to the blocking plate, aligning the smooth surface of the blocking plate to the gas tank, detonating the gas tank again, and observing the change in the gas tank and the explosion characteristic in the gas tank;
s3, keeping the blocking plate still, keeping the angle of the screw relative to the gas tank unchanged, opening the bin door, rotating the screw rod, releasing the clamping of the rack on the clamping teeth, adjusting the position of the gas tank, and then closing the bin door;
s4, igniting the gas tank, observing the change in the gas cabin and the impact force formed in the gas cabin when the gas tank explodes, continuously moving the gas tank to different positions for ignition, and comparing the characteristics of the explosion in the gas cabin;
s5, keeping the blocking plate still, keeping the position of the gas tank unchanged, loosening the second bolt, relieving the brake of the second bolt on the second fixed block, adjusting the deflection angle of the screw rod relative to the gas tank, sequentially detonating the gas tank at different angles, and recording the characteristics of detonation of the gas tank and detonation in the gas cabin at different angles through the pressure sensor and the high-speed camera.
The invention has the beneficial effects that:
1. according to the gas cabin explosion suppression test device for the comprehensive pipe gallery, the screw rod is rotated, the screw rod is in threaded connection with the placing plate, the rack starts to move downwards along with the rotation of the screw rod, the clamping teeth are relieved from being braked by the rack, the placing block can be moved at the moment, the position of the gas box in the gas cabin can be adjusted, and the impact force in the gas cabin and the explosion characteristic in the gas cabin can be tested when the gas box explodes at different positions.
2. According to the explosion suppression test device for the gas cabin of the comprehensive pipe gallery, after the gas tank explodes, the air pump is started, and absorbs the waste gas in the gas cabin through the sliding groove, so that the waste gas generated in the gas cabin is prevented from causing disasters again.
3. According to the explosion suppression test device for the gas cabin of the comprehensive pipe gallery, the second bolt is unscrewed, the brake of the L-shaped rod on the second fixing block is released, then the sleeve is rotated, the screw rod can move outwards from the sleeve along with the rotation of the sleeve, the second fixing block can slide outwards, the deflection angle of the screw rod and the sleeve relative to the gas box is controlled, then the second bolt is screwed down again, the second fixing block is fixed, and therefore when the gas box explodes, the influence of the deflection angle of the screw rod and the sleeve relative to the gas box on the explosion characteristics in the gas cabin is achieved.
4. According to the gas cabin explosion suppression test device for the comprehensive pipe gallery, the plurality of through holes are formed in the door, when the gas box explodes, airflow generated by explosion enters the lower portion of the placing plate through the through holes, the influence of impact force generated by explosion on the placing plate is relieved, and the damping effect can also have a damping effect on the placing plate.
The invention has compact structure, can inhibit and obstruct shock waves generated by gas combustion and explosion of the gas cabin of the comprehensive pipe gallery by judging whether the surface of the baffle plate in the gas cabin is smooth, the placing position of the gas pipeline and different angles of the connecting bracket and the gas pipeline in the gas cabin, thereby obtaining the effects of inhibiting and obstructing the explosion shock waves in different modes and having small experimental error.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a first cross sectional front view of a first explosion suppression test device for a gas cabin of a utility tunnel according to the present invention;
FIG. 2 is a top view of a gas cabin in the comprehensive pipe gallery gas cabin explosion suppression test device;
FIG. 3 is a top view of a gas cabin in the comprehensive pipe gallery gas cabin explosion suppression test device of the invention;
FIG. 4 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 5 is an enlarged view of the invention at B in FIG. 1;
FIG. 6 is a three-dimensional view of a barrier plate and a bump in the comprehensive pipe gallery gas cabin explosion suppression test device of the present invention;
FIG. 7 is a second cross-sectional front view of the explosion suppression test device for the gas cabin of the utility tunnel;
FIG. 8 is a three-dimensional view of a placing plate in a comprehensive pipe gallery gas cabin explosion suppression test device.
Reference numerals: 1. a gas cabin; 2. a bin gate; 3. placing the plate; 4. placing the blocks; 5. a gas tank; 6. an ignition device; 7. a control panel; 8. an air suction head; 9. a first groove; 10. a first spring; 11. a rack; 12. clamping teeth; 13. a screw rod; 14. a rectangular groove; 15. a barrier plate; 16. a bump; 17. a first bolt; 18. rotating the rod; 19. a clamping block; 20. a second groove; 21. an L-shaped rod; 22. a second spring; 23. a cavity; 24. a baffle plate; 25. a connecting rod; 26. a first fixed block; 27. a screw; 28. a sleeve; 29. rotating the block; 30. a second fixed block; 31. a second bolt; 32. a through hole; 33. damping and damping; 34. a pressure sensor; 35. a high-speed camera; 36. strengthening the glass; 37. cushion blocks; 38. an air pump; 39. a sliding groove.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Example one
As shown in fig. 1-6, utility tunnel gas cabin separates explosion suppression test device, including gas cabin 1, one side of gas cabin 1 is rotated and is connected with door 2, be equipped with in the gas cabin 1 and place piece 4, the top fixedly connected with gas tank 5 of placing piece 4, be equipped with the adjusting part that is used for adjusting gas tank 5 position in the gas cabin 1, two symmetrical first fixed blocks 26 of top fixedly connected with of gas tank 5, first fixed block 26 internal rotation is connected with screw rod 27, the top inner wall symmetry of gas cabin 1 is equipped with two sets of control assembly that are used for angle between control screw rod 27 and the gas tank 5 respectively, one side inner wall that gas cabin 1 kept away from each other all is equipped with rectangular channel 14, sliding connection has baffler 15 in rectangular channel 14, the top symmetry of gas cabin 1 is equipped with two sets of change subassemblies that are used for changing corresponding baffler 15 respectively.
According to the invention, the adjusting assembly comprises the same placing plate 3 fixedly connected to the inner wall of one side, away from each other, of the gas cabin 1, a first groove 9 is formed in the top of the placing plate 3, a plurality of first springs 10 are fixedly connected to the inner wall of the bottom of the first groove 9 at equal intervals, a rack 11 located in the first groove 9 is fixedly connected to the top ends of the first springs 10, a clamping tooth 12 meshed with the rack 11 is fixedly connected to the bottom of the placing block 4, the bottom of the placing block 4 is slidably connected with the top of the placing plate 3, a lead screw 13 is connected to the inside of the placing plate 3 through a thread, and the top end of the lead screw 13 is rotatably connected with the bottom of the rack 11.
According to the invention, by rotating the screw rod 13, and connecting the screw rod 13 with the placing plate 3 through threads, the rack 11 starts to move downwards along with the rotation of the screw rod 13, the brake of the rack 11 on the latch 12 is released, at the moment, the placing block 4 can be moved, and further the position of the gas tank 5 in the gas cabin 1 can be adjusted, so that the impact force in the gas cabin 1 and the explosion characteristics in the gas cabin 1 can be tested when the gas tank 5 explodes at different positions.
In the invention, the control assembly comprises a second fixed block 30 which is slidably connected to the inner wall of the top of the gas cabin 1, a second bolt 31 is connected to the bottom of the second fixed block 30 in a penetrating manner, the top end of the second bolt 31 is in threaded connection with the inner wall of the top of the gas cabin 1, a rotating block 29 is rotatably connected to the second fixed block 30, a sleeve 28 is rotatably connected to the bottom end of the rotating block 29, the top end of the screw 27 extends into the sleeve 28 and is in threaded connection with the sleeve 28, the adjustment of the relative deflection angle of the screw 27 and the gas box 5 can be realized, and the experiment in multiple directions is facilitated.
In the invention, the replacing component comprises a rotating rod 18 which is rotatably connected to one side of the top of the gas cabin 1, one side of the baffle plate 15, which is close to the gas box 5, is fixedly connected with a plurality of lugs 16 at equal intervals, the top of the gas cabin 1 is provided with a second groove 20, a sliding groove 39 and a cavity 23, the sliding groove 39 is respectively communicated with the second groove 20 and the cavity 23, the bottom of the rotating rod 18 is fixedly connected with a fixture block 19 which extends into the second groove 20, the sliding groove 39 is internally and slidably connected with an L-shaped rod 21 which extends into the fixture block 19, the top end of the L-shaped rod 21 extends to the upper part of the gas cabin 1, the inner wall of one side of the sliding groove 39, which is far away from the fixture block 19, is fixedly connected with a second spring 22 which is fixedly connected with the L-shaped rod 21, the cavity 23 is internally and slidably connected with a baffle plate 24 which is in contact with the baffle plate 15, one side of the baffle plate 24, which is far away from the baffle plate 15, is fixedly connected with a connecting rod 25 which is fixedly connected with the bottom of the L-shaped rod 21, and connecting rod 25 is located cavity 23, the bottom fixedly connected with of dwang 18 is located the cushion 37 of rectangular channel 14, and the bottom of cushion 37 touches with baffler 15's top mutually, and then whether the baffler 15 is smooth to the influence of utility tunnel gas cabin gas combustion explosion characteristic facing the face of gas case 5, one side distance that gas cabin 1 kept away from each other runs through has a plurality of first bolts 17, and first bolt 17 runs through threaded connection near the one end and the baffler 15 of gas case 5.
In the invention, the top of the gas cabin 1 is fixedly connected with an air extracting pump 38, the inner wall of the top of the gas cabin 1 is fixedly connected with an air suction head 8, an air suction port of the air extracting pump 38 is communicated with the air suction head 8 through a hose, one side of the gas cabin 1 is fixedly connected with an ignition device 6, one side of the gas cabin 1 is provided with a control panel 7, and the ignition device 6, the control panel 7 and the gas box 5 are communicated through connecting wires.
In the invention, waste gas generated by explosion in the gas cabin 1 can be absorbed by the air pump 38, and the explosion of the gas tank 5 can be controlled outside by the control panel 7, thereby improving the safety performance of the experiment.
In the invention, the inner wall of the top of the gas cabin 1 is fixedly connected with the pressure sensor 34, and the impact force received in the gas cabin 1 can be recorded at any time through the pressure sensor 34.
In the invention, the inner wall of the top part of the gas cabin 1 is fixedly connected with the high-speed camera 35, and the stress change in the gas cabin 1 can be observed at any time when the gas box 5 explodes through the high-speed camera 35.
In the present invention, the tempered glass 36 is fixedly connected to the bottom of the high-speed camera 35, and the tempered glass 36 can protect the high-speed camera 35 when the gas tank 5 explodes.
Example two
As a further improvement of the previous embodiment, as shown in fig. 1 to 8, a comprehensive pipe rack gas cabin explosion suppression test device includes a gas cabin 1, one side of the gas cabin 1 is rotatably connected with a cabin door 2, a placing block 4 is arranged in the gas cabin 1, a top fixedly connected with the gas cabin 5 for placing the placing block 4, an adjusting component for adjusting the position of the gas cabin 5 is arranged in the gas cabin 1, two symmetrical first fixing blocks 26 are fixedly connected to the top of the gas cabin 5, a screw 27 is rotatably connected to the first fixing blocks 26, two sets of control components for controlling the angle between the screw 27 and the gas cabin 5 are symmetrically arranged on the inner wall of the top of the gas cabin 1, a rectangular groove 14 is arranged on the inner wall of one side of the gas cabin 1, a blocking plate 15 is slidably connected in the rectangular groove 14, and two sets of replacing components for replacing the corresponding blocking plate 15 are symmetrically arranged on the top of the gas cabin 1.
According to the invention, the adjusting assembly comprises the same placing plate 3 fixedly connected to the inner wall of the side, away from each other, of the gas cabin 1, a first groove 9 is formed in the top of the placing plate 3, a plurality of first springs 10 are fixedly connected to the inner wall of the bottom of the first groove 9 at equal intervals, a rack 11 located in the first groove 9 is fixedly connected to the top ends of the first springs 10, a clamping tooth 12 meshed with the rack 11 is fixedly connected to the bottom of the placing block 4, the bottom of the placing block 4 is slidably connected with the top of the placing plate 3, a lead screw 13 is connected to the inside of the placing plate 3 through a thread, the top end of the lead screw 13 is rotatably connected with the bottom of the rack 11, and further influences of different positions of the gas box 5 on the gas combustion and explosion characteristics of the gas cabin of the comprehensive pipe gallery are obtained.
In the invention, the control assembly comprises a second fixed block 30 which is connected to the inner wall of the top of the gas cabin 1 in a sliding manner, a second bolt 31 is connected to the bottom of the second fixed block 30 in a penetrating manner, the top end of the second bolt 31 is in threaded connection with the inner wall of the top of the gas cabin 1, a rotating block 29 is connected in the second fixed block 30 in a rotating manner, a sleeve 28 is connected to the bottom end of the rotating block 29 in a rotating manner, and the top end of a screw 27 extends into the sleeve 28 and is in threaded connection with the sleeve 28.
In the invention, the second bolt 31 is loosened to release the brake of the L-shaped rod 21 on the second fixed block 30, then the sleeve 28 is rotated, the screw 27 can move outwards from the sleeve 28 along with the rotation of the sleeve 28, and the second fixed block 30 can slide outwards, so that the deflection angle of the screw 27 and the sleeve 28 relative to the gas tank 5 is controlled, then the second bolt 31 is screwed again to fix the second fixed block 30, so that when the gas tank 5 explodes, the influence of the deflection angle of the screw 27 and the sleeve 28 relative to the gas tank 5 on the explosion characteristic in the gas tank 1 is achieved, and the experiment in multiple directions is convenient.
In the invention, the replacing component comprises a rotating rod 18 which is rotatably connected to one side of the top of the gas cabin 1, one side of the baffle plate 15, which is close to the gas box 5, is fixedly connected with a plurality of lugs 16 at equal intervals, the top of the gas cabin 1 is provided with a second groove 20, a sliding groove 39 and a cavity 23, the sliding groove 39 is respectively communicated with the second groove 20 and the cavity 23, the bottom of the rotating rod 18 is fixedly connected with a fixture block 19 which extends into the second groove 20, the sliding groove 39 is internally and slidably connected with an L-shaped rod 21 which extends into the fixture block 19, the top end of the L-shaped rod 21 extends to the upper part of the gas cabin 1, the inner wall of one side of the sliding groove 39, which is far away from the fixture block 19, is fixedly connected with a second spring 22 which is fixedly connected with the L-shaped rod 21, the cavity 23 is internally and slidably connected with a baffle plate 24 which is in contact with the baffle plate 15, one side of the baffle plate 24, which is far away from the baffle plate 15, is fixedly connected with a connecting rod 25 which is fixedly connected with the bottom of the L-shaped rod 21, and connecting rod 25 is located cavity 23, states the bottom fixedly connected with of dwang 18 and is located the cushion 37 of rectangular channel 14, and the bottom of cushion 37 touches with the top of baffler 15 mutually, and then obtains whether baffler 15 is smooth to the influence of utility tunnel gas cabin gas combustion explosion characteristic facing the face of gas case 5, and one side distance that gas cabin 1 kept away from each other runs through has a plurality of first bolts 17, and first bolt 17 runs through threaded connection near the one end and the baffler 15 of gas case 5.
According to the invention, the top of the gas cabin 1 is fixedly connected with the air pump 38, the inner wall of the top of the gas cabin 1 is fixedly connected with the air suction head 8, the air suction port of the air pump 38 is communicated with the air suction head 8 through a hose, one side of the gas cabin 1 is fixedly connected with the ignition device 6, one side of the gas cabin 1 is provided with the control panel 7, the ignition device 6, the control panel 7 and the gas box 5 are communicated through connecting wires, waste gas generated by explosion in the gas cabin 1 can be absorbed through the air pump 38, the explosion of the gas box 5 can be controlled outside through the control panel 7, and the safety performance of an experiment can be further improved.
In the invention, the inner wall of the top of the gas cabin 1 is fixedly connected with the pressure sensor 34, and the impact force received in the gas cabin 1 can be recorded at any time through the pressure sensor 34.
In the invention, the inner wall of the top part of the gas cabin 1 is fixedly connected with the high-speed camera 35, and the stress change in the gas cabin 1 can be observed at any time when the gas box 5 explodes through the high-speed camera 35.
In the present invention, the tempered glass 36 is fixedly connected to the bottom of the high-speed camera 35, and the tempered glass 36 can protect the high-speed camera 35 when the gas tank 5 explodes.
According to the invention, a plurality of through holes 32 are equidistantly arranged in the placing plate 3, a plurality of damping dampers 33 are equidistantly and fixedly connected to the inner wall of the bottom of the gas cabin 1, the top ends of the damping dampers 33 are fixedly connected with the bottom of the placing plate 3, when the gas box 5 explodes, airflow generated by explosion enters the lower part of the placing plate 3 through the through holes 32, so that the influence of impact force generated by explosion on the placing plate 3 is reduced, and the damping dampers 33 can also play a damping role on the placing plate 3.
The advantages of the second embodiment over the first embodiment are: place the inboard equidistance of board 3 and be equipped with a plurality of through-holes 32, a plurality of shock attenuation dampings 33 of bottom inner wall equidistance fixedly connected with of gas cabin 1, a plurality of shock attenuation dampings 33's top all with the bottom fixed connection who places board 3, when gas case 5 explodes, the air current that the explosion produced gets into the below of placing board 3 through-hole 32, alleviate the impact force that the explosion produced to the influence of placing board 3, and shock attenuation damping 33 can also play absorbing effect to placing board 3.
A use method of a comprehensive pipe gallery gas cabin explosion suppression test device comprises the following steps:
s1, ensuring that the position of the gas box 5 on the placing plate 3 is unchanged, the angle of the screw 27 relative to the gas box 5 is unchanged, the lug 16 is aligned with the gas box 5 at the moment, igniting the gas in the gas box 5, and observing the change of the gas cabin 1 under the impact force when the gas box 5 explodes through the pressure sensor 34 and the high-speed camera 35;
s2, pulling the L-shaped rod 21 to slide towards the middle, releasing the blocking of the rotating rod 18 to the blocking plate 15, aligning the smooth surface of the blocking plate 15 to the gas tank 5, detonating the gas tank 5 again, and observing the change in the gas cabin 1 and the characteristics of explosion in the gas cabin 1;
s3, keeping the blocking plate 15 still, keeping the angle of the screw 27 relative to the gas tank 5 unchanged, opening the bin door 2, rotating the screw rod 13, releasing the clamping of the rack 11 on the clamping teeth 12, adjusting the position of the gas tank 5, and then closing the bin door 2;
s4, detonating the gas tank 5, observing the change in the gas cabin 1 and the impact force formed in the gas cabin 1 when the gas tank 5 explodes, continuously moving the gas tank 5 to different positions for detonating, and comparing the characteristics of the explosion in the gas cabin 1;
s5, keeping the barrier plate 15 still and the position of the gas tank 5 unchanged, loosening the second bolt 31, releasing the brake of the second bolt 31 on the second fixed block 30, adjusting the deflection angle of the screw 27 relative to the gas tank 5, then sequentially detonating the gas tank 5 at different angles, and recording the characteristics of detonation of the gas tank 5 and detonation in the gas cabin 1 at different angles through the pressure sensor 34 and the high-speed camera 35.
However, as is well known to those skilled in the art, the working principle and wiring method of the ignition device 6, the control panel 7, the suction head 8, the second fixed block 30, the pressure sensor 34 and the high-speed camera 35 are common and are conventional means or common knowledge, and will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.
The working principle is as follows: firstly, the positions of the placing block 4 and the gas box 5 on the placing plate 3 are ensured to be unchanged, the angles of the rotating block 29 and the screw 27 relative to the gas box 5 are unchanged, at the moment, the convex block 16 is aligned with the gas box 5, then, the ignition device 6 is controlled by the control panel 7 to ignite the gas in the gas box 5, the impact force generated in the gas box 1 is recorded by the pressure sensor 34, the change of the impact force on the gas box 1 when the gas box 5 explodes is observed by the high-speed camera 35, the data is transmitted to the control panel 7, then, the L-shaped rod 21 is pulled to slide towards the middle, the braking of the L-shaped rod 21 and the baffle plate 24 on the rotating rod 18 and the baffle plate 15 is released, the rotating rod 18 is rotated, the baffle plate 15 is released from being blocked by the rotating rod 18, the first bolt 17 is unscrewed, the baffle plate 15 is taken out from the rectangular groove 14, the baffle plate 15 is changed into one surface, and the smooth surface is aligned with the gas box 5, the blocking plate 15 is clamped into the rectangular groove 14 again, then the rotating rod 18 is closed, the gas box 5 is detonated again, the change in the gas box 1 and the explosion characteristic in the gas box 1 are observed, then the blocking plate 15 is kept to be aligned with one side of the gas box 5 to be fixed, the angles of the rotating block 29 and the screw 27 relative to the gas box 5 are also unchanged, the door 2 is opened, the screw rod 13 is rotated, the screw rod 13 is in threaded connection with the placing plate 3, the screw rod 13 drives the rack 11 to move downwards, the first spring 10 starts to be compressed, the clamping of the rack 11 on the clamping teeth 12 is removed, the placing block 4 and the gas box 5 are moved to any position, the placing block 4 is fixed through the rack 11 again, then the door 2 is closed, the gas box 5 is detonated, the change in the gas box 1 and the impact force formed in the gas box 1 when the gas box 5 explodes are observed, then the gas box 5 is continuously moved to different positions for detonation, comparing the characteristics of explosion in the gas cabin 1, keeping the face of the barrier plate 15 aligned with the gas box 5 still, keeping the position of the gas box 5 unchanged, loosening the second bolt 31, relieving the brake of the second bolt 31 on the second fixed block 30, rotating the sleeve 28, as the sleeve 28 and the screw 27 are in threaded connection, the second fixed block 30 starts to slide left and right along with the rotation of the sleeve 28, further adjusting the deflection angle of the sleeve 28 and the screw 27 relative to the gas box 5, then igniting the gas box 5 at different angles in sequence, and igniting the gas box 5 at different angles through recording the characteristics of explosion in the gas cabin 1 by the pressure sensor 34 and the high-speed camera 35.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. A comprehensive pipe gallery gas cabin explosion suppression test device comprises a gas cabin (1) and is characterized in that one side of the gas cabin (1) is rotatably connected with a cabin door (2), a placing block (4) is arranged in the gas cabin (1), the top of the placing block (4) is fixedly connected with a gas box (5), an adjusting component for adjusting the position of the gas box (5) is arranged in the gas cabin (1), the top of the gas box (5) is fixedly connected with two symmetrical first fixing blocks (26), a screw rod (27) is rotatably connected in each first fixing block (26), two groups of control components for controlling the angle between the screw rod (27) and the gas box (5) are symmetrically arranged on the inner wall of the top of the gas cabin (1), a rectangular groove (14) is arranged on the inner wall of one side, away from each other, and a blocking plate (15) is slidably connected in the rectangular groove (14), the top of the gas cabin (1) is symmetrically provided with two groups of replacing components which are respectively used for replacing the corresponding barrier plates (15).
2. The utility tunnel gas cabin explosion suppression test device according to claim 1, the adjusting component comprises a same placing plate (3) fixedly connected with the inner wall of one side of the gas cabin (1) far away from each other, the top of the placing plate (3) is provided with a first groove (9), the inner wall of the bottom of the first groove (9) is fixedly connected with a plurality of first springs (10) at equal intervals, the top ends of the first springs (10) are fixedly connected with a same rack (11) positioned in the first groove (9), the bottom of the placing block (4) is fixedly connected with a latch (12) meshed with the rack (11), the bottom of the placing block (4) is connected with the top of the placing plate (3) in a sliding way, the placing plate (3) is internally connected with a screw rod (13) in a penetrating and threaded manner, and the top end of the screw rod (13) is rotatably connected with the bottom of the rack (11).
3. The explosion suppression test device for the gas cabin of the utility tunnel according to claim 1, wherein the control assembly comprises a second fixing block (30) slidably connected to the inner wall of the top of the gas cabin (1), a second bolt (31) is connected to the bottom of the second fixing block (30) in a penetrating manner, the top end of the second bolt (31) is in threaded connection with the inner wall of the top of the gas cabin (1), a rotating block (29) is rotatably connected to the second fixing block (30), the bottom end of the rotating block (29) is rotatably connected to a sleeve (28), and the top end of the screw rod (27) extends into the sleeve (28) and is in threaded connection with the sleeve (28).
4. The utility model discloses a utility tunnel gas cabin separates explosion suppression test device of claim 1, characterized in that, change the subassembly including rotate the dwang (18) of connecting in gas cabin (1) top one side, one side equidistance fixedly connected with a plurality of lugs (16) that baffling board (15) is close to gas case (5), the top of gas cabin (1) is equipped with second recess (20), sliding tray (39) and cavity (23), and sliding tray (39) are linked together with second recess (20) and cavity (23) respectively, the bottom fixedly connected with of dwang (18) extends to fixture block (19) in the second recess (20), sliding tray (39) sliding connection has L type pole (21) that extend to fixture block (19), and the top of L type pole (21) extends to the top of gas cabin (1), sliding tray (39) keep away from one side inner wall fixed connection of fixture block (19) and are connected with the second of L type pole (21) fixed connection Spring (22), sliding connection has baffle (24) that touches mutually with baffler (15) in cavity (23), one side fixedly connected with that baffler (15) was kept away from in baffle (24) and L type pole (21) bottom fixed connection's connecting rod (25), and connecting rod (25) are located cavity (23), state bottom fixedly connected with of dwang (18) and be located cushion (37) in rectangular channel (14), and the bottom of cushion (37) bumps with the top of baffler (15) mutually and touches, one side that gas cabin (1) kept away from each other is apart from running through having a plurality of first bolts (17), and first bolt (17) are close to the one end and the baffler (15) through threaded connection of gas case (5).
5. The utility model discloses a utility tunnel gas cabin separates explosion suppression test device of claim 1, characterized in that, the top fixedly connected with aspiration pump (38) of gas cabin (1), the top inner wall fixedly connected with aspirator (8) of gas cabin (1), and the induction port of aspiration pump (38) is linked together with aspirator (8) through the hose, one side fixedly connected with ignition (6) of gas cabin (1), one side of gas cabin (1) is equipped with control panel (7), and ignition (6), control panel (7) and gas tank (5) communicate through the connecting wire.
6. The utility tunnel gas cabin explosion suppression test device according to claim 1, characterized in that a pressure sensor (34) is fixedly connected to the top inner wall of the gas cabin (1).
7. The explosion suppression test device for the gas cabin of the utility tunnel according to claim 1, characterized in that a high-speed camera (35) is fixedly connected to the inner wall of the top of the gas cabin (1).
8. The utility tunnel gas cabin explosion suppression test device according to claim 7, wherein a tempered glass (36) is fixedly connected to the bottom of the high-speed camera (35).
9. The utility tunnel gas cabin explosion suppression test device according to claim 2, characterized in that a plurality of through holes (32) are equidistantly arranged in the placing plate (3), a plurality of shock absorption dampers (33) are fixedly connected to the inner wall of the bottom of the gas cabin (1) at equal intervals, and the top ends of the shock absorption dampers (33) are fixedly connected to the bottom of the placing plate (3).
10. A using method of a comprehensive pipe gallery gas cabin explosion suppression test device is characterized by comprising the following steps:
s1, ensuring that the position of the gas box (5) on the placing plate (3) is unchanged, the angle of the screw rod (27) relative to the gas box (5) is unchanged, aligning the bump (16) with the gas box (5) at the moment, igniting the gas in the gas box (5), and observing the change of the gas cabin (1) subjected to impact force when the gas box (5) explodes through the pressure sensor (34) and the high-speed camera (35);
s2, pulling the L-shaped rod (21) to slide towards the middle, releasing the blocking of the rotating rod (18) to the blocking plate (15), aligning the smooth surface of the blocking plate (15) to the gas tank (5), detonating the gas tank (5) again, and observing the change in the gas tank (1) and the characteristics of explosion in the gas tank (1);
s3, keeping the blocking plate (15) still, keeping the angle of the screw rod (27) relative to the gas tank (5) unchanged, opening the bin door (2), rotating the screw rod (13), releasing the clamping of the rack (11) on the clamping teeth (12), adjusting the position of the gas tank (5), and then closing the bin door (2);
s4, igniting the gas tank (5), observing the change in the gas cabin (1) and the impact force formed in the gas cabin (1) when the gas tank (5) explodes, continuously moving the gas tank (5) to different positions for ignition, and comparing the characteristics of the explosion in the gas cabin (1);
s5, the blocking plate (15) is kept still, the position of the gas tank (5) is unchanged, the second bolt (31) is unscrewed, the second bolt (31) is released from braking on the second fixing block (30), the deflection angle of the screw rod (27) relative to the gas tank (5) is adjusted, then the gas tank (5) is ignited at different angles in sequence, the gas tank (5) is ignited at different angles through the pressure sensor (34) and the high-speed camera (35), and the characteristics of explosion in the gas tank (1) are recorded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111191422.8A CN113866381A (en) | 2021-10-13 | 2021-10-13 | Comprehensive pipe gallery gas cabin explosion suppression test device and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111191422.8A CN113866381A (en) | 2021-10-13 | 2021-10-13 | Comprehensive pipe gallery gas cabin explosion suppression test device and using method thereof |
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| CN113866381A true CN113866381A (en) | 2021-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518439A (en) * | 2022-01-25 | 2022-05-20 | 广东华晟安全职业评价有限公司 | Sample pool for testing vacuum stability of explosives and powders and testing method |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518439A (en) * | 2022-01-25 | 2022-05-20 | 广东华晟安全职业评价有限公司 | Sample pool for testing vacuum stability of explosives and powders and testing method |
| CN114518439B (en) * | 2022-01-25 | 2023-12-22 | 大连安泰化工有限公司 | Sample cell for testing vacuum stability of explosives and powders and test method |
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